Baden (bä'dun) [key]or Baden-bei-Wien (–bī-vēn') [key], city (1991 pop. 23,176), Lower Austria province, E Austria, on the Schwechat River, near Vienna. The hot sulfur springs of this picturesque city have been frequented since Roman times. From 1945 to 1955, Baden served as the Soviet military headquarters for Austria.
